7y+9-3y=8+5y+4

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Solution for 7y+9-3y=8+5y+4 equation:


Simplifying
7y + 9 + -3y = 8 + 5y + 4

Reorder the terms:
9 + 7y + -3y = 8 + 5y + 4

Combine like terms: 7y + -3y = 4y
9 + 4y = 8 + 5y + 4

Reorder the terms:
9 + 4y = 8 + 4 + 5y

Combine like terms: 8 + 4 = 12
9 + 4y = 12 + 5y

Solving
9 + 4y = 12 + 5y

Solving for variable 'y'.

Move all terms containing y to the left, all other terms to the right.

Add '-5y' to each side of the equation.
9 + 4y + -5y = 12 + 5y + -5y

Combine like terms: 4y + -5y = -1y
9 + -1y = 12 + 5y + -5y

Combine like terms: 5y + -5y = 0
9 + -1y = 12 + 0
9 + -1y = 12

Add '-9' to each side of the equation.
9 + -9 + -1y = 12 + -9

Combine like terms: 9 + -9 = 0
0 + -1y = 12 + -9
-1y = 12 + -9

Combine like terms: 12 + -9 = 3
-1y = 3

Divide each side by '-1'.
y = -3

Simplifying
y = -3

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